October Weather in Unalaska

Last updated: March 2, 2024

The weather in Unalaska, United States, during October is characterized by an average temperature of 5°C (42°F). Highs can soar to 11°C (52°F), while lows may dip to -1°C (31°F). Typically, the humidity level in Unalaska throughout October hovers around 82%.

-1°C (31°F)

Minimum temperature

5°C (42°F)

Average temperature

11°C (52°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In October, Unalaska averages 147 mm (5.8 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 10 hours 26 minutes of daylight, with the sun shining for approximately 5 hours 35 minutes each day. Additionally, there is a 26% probability of sunny days during this period.

147 mm (5.8 inches)

Precipitation

20 rainy days

Rainy days

5 hours 35 minutes

Sunshine hours

26%

Chance of sun

UV Index

In October, the UV Index in Unalaska reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 0 0 1 1 2 2 3 3 3 2 1 1
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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